Granted Patent
B2
US 12,387,564 · App. 18/382,302 · Granted Aug 12, 2025
Fraud detection system in a casino
Assignee:
ANGEL GROUP CO., LTD.
G07F17/3241A63F1/18A63F3/00157G06Q50/34G07F17/3206G07F17/322G07F17/3223G07F17/3234G07F17/3248G07F17/3251G07F17/3293A63F2001/001A63F1/14A63F2250/58
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Abstract
A fraud detection system which detects fraud in a game of performing collection and redemption of chips in accordance with a win or lose result includes a camera which captures an image of chips contained in a chip tray of a dealer, an image analyzing apparatus which analyses the image captured by the camera to detect an amount of the chips contained in the chip tray, a card distribution device which determines a win or lose result of a game, and a control device which compares the win or lose result of the game and the amount of the chips contained in the chip tray before and after collection and redemption of the chips to detect fraud.
Claims (20)
1. A gaming chip recognition system for a casino, the gaming chip recognition system comprising:
a camera configured to capture an image of a table from diagonally above to capture a plurality of gaming chip stacks placed on the table, each of the plurality of gaming chip stacks having a different distance from the camera, whereby the plurality of gaming chip stacks appear in the image of different sizes; and
at least one processor configured to:
perform an image analysis of the image using an artificial intelligence technology or deep learning technology to recognize each gaming chip in each of the plurality of gaming chip stacks appearing in the image; and
determine a respective number of gaming chips for each of the recognized gaming chip stacks.
2. The gaming chip recognition system according to claim 1 , wherein the at least one processor is further configured to determine a position of each of the plurality of gaming chip stacks.
3. The gaming chip recognition system according to claim 1 , wherein the at least one processor is further configured to recognize types of the gaming chips in the gaming chip stacks.
4. The gaming chip recognition system according to claim 3 , wherein the at least one processor is further configured to determine an amount of each of the plurality of gaming chip stacks based on the recognized types.
5. The gaming chip recognition system according to claim 1 , further comprising:
a chip ID reader configured to read chip IDs of the gaming chips held in a chip tray of the table,
wherein each gaming chip of the gaming chips held in the chip tray includes an RFID that is configured to store the chip ID of the gaming chip, and
wherein the chip ID reader reads the RFIDs of the gaming chips held in the chip tray.
6. The gaming chip recognition system according to claim 5 , wherein the chip ID reader is further configured to determine types of the gaming chips held in the chip tray based on the read chip IDs.
7. The gaming chip recognition system according to claim 1 , wherein the at least one processor is configured to perform the image analysis of the image, wherein the image is captured according to a predetermined trigger by the camera.
8. The gaming chip recognition system according to claim 1 , wherein the camera is configured to capture gaming chips placed on a top surface of the table by a dealer.
9. The gaming chip recognition system according to claim 1 , wherein the camera is configured to capture gaming chips placed on a top surface of the table by a player.
10. The gaming chip recognition system according to claim 1 , wherein the at least one processor is further configured to distinguish a gaming chip stack placed by a dealer with a gaming chip stack placed by a player.
11. The gaming chip recognition system according to claim 1 , wherein the at least one processor is configured to recognize, by using the artificial intelligence technology, a gaming chip stack of the plurality of gaming chip stacks even when a portion of the gaming chips of the gaming chip stack is hidden by a blind spot of the camera.
12. The gaming chip recognition system according to claim 1 , wherein the at least one processor is configured to recognize, by using the artificial intelligence technology, a gaming chip stack of the plurality of gaming chip stacks even when the gaming chip stack consists of multiple gaming chips stacked out of alignment with each other.
13. The gaming chip recognition system according to claim 1 , further comprising a database configured to store information of the gaming chips.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 20, 2023
From: SHIGETA, YASUSHI
To: ANGEL PLAYING CARDS CO., LTD.
Reel/Frame 065296/0398 →
CHANGE OF NAME
Recorded Oct 20, 2023
From: ANGEL PLAYING CARDS CO., LTD.
To: ANGEL GROUP CO., LTD.
Reel/Frame 065304/0289 →
Continuity (6)
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